Comparison

Promise vs ThenCommit

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Promise

This app helps users build better habits and achieve goals through social accountability. Create or join challenges with friends, set commitments, and support each other's progress with features like wagers and group chat. Track your success visually and stay motivated together.

Highlights
  • Custom challenge creation
  • Promise-based wagers
  • Social accountability tracking
  • In-challenge group chat
  • Visual progress monitoring
  • Dark mode support
Features
Read full description

Promise helps you achieve your goals through the power of social accountability. Create or join challenges with friends, make commitments together, and support each other's progress. Whether you're trying to build healthy habits, save money, or learn something new, Promise makes it fun and engaging to stick to your commitments. Key Features: • Create Challenges: Design your own custom challenges, or use our templates to get started quickly • Promise-Based Wagers: Add friendly stakes to keep everyone motivated and accountable • Social Accountability: Join challenges with friends and track each other's progress • Group Chat: Communicate and encourage participants within each challenge • Progress Tracking: Monitor your success with a visual progress indicators and a leaderboard • Dark Mode: Full support for light and dark themes

About

ThenCommit

This app focuses on identity transformation through a single, sustained commitment. It offers a progressive interface that reveals features as you practice, encouraging deep change over superficial tracking. Enjoy a distraction-free experience designed for personal growth.

Highlights
  • Single commitment focus
  • Progressive interface
  • Press-and-hold commitment ritual
  • Calendar visualization
  • No streak shame
  • Data sovereignty
Read full description

Stop tracking. Start becoming. You've tried the habit trackers. The streak counters. The dashboard full of graphs that made you feel productive for exactly three weeks before the guilt set in. When participants had one goal, making if-then plans boosted completion; with six goals, the planning benefit disappeared. Habits reach automaticity in ~66 days on average (range 18–254). ThenCommit isn't another tracker. It's a commitment transformation system built on a simple truth: identity change happens through constraint, not choice. One commitment. Six months. Actual transformation. --- How ThenCommit Works Choose one meaningful commitment. Not five. Not three. One. For the next six months, this single practice becomes your focus. No distractions. No feature overload. No optimization theater. Your daily ritual is simple: press and hold to commit. Watch your practice deepen. Feel the shift from "something I do" to "who I am." --- Progressive Minimalism: Earn Complexity Through Practice Week 1: Pure focus. Just you and your commitment. Week 2: Your calendar unlocks, revealing your practice pattern. Month 1: Deeper tools emerge as your commitment takes root. Month 2: Master features appear when you're ready. Every feature is earned through consistency, not purchased. The app grows with your practice, never overwhelming, always supporting. --- Why Constraint Creates Freedom • No streak shame: Missing a day doesn't break anything. Your journey continues. • Reflection periods: Built-in cooldowns prevent impulse switching. • Identity-first design: Track transformation, not numbers. • Privacy by design: Your practice lives on your device. No accounts required. --- Perfect For: • Reformed optimizers exhausted by productivity culture • Intentional minimalists seeking depth over breadth • Anyone ready to stop collecting habits and start building identity --- Features That Matter: • Progressive interface that reveals as you grow • Beautiful calendar visualization • Press-and-hold commitment ritual with haptic feedback • Weekly milestone celebrations • Complete data sovereignty --- Start Your Transformation Your first 90 days establish the foundation of your new identity. No complex onboarding. No overwhelming choices. Just one question: What one commitment, practiced daily for six months, would transform who you are? Begin today. Because becoming who follows through starts with following through once. --- Premium Features Available For those seeking enhanced capabilities, premium permissions unlock archive functionality and advanced features while maintaining the core progressive experience. --- Legal Privacy Policy: houseofthen.com/pages/thencommit-privacy-policy Terms of Use (EULA): houseofthen.com/pages/thencommit-terms-and-conditions

Screenshots

Promise4 screens
ThenCommit4 screens

Verdict

The call

The clearest difference is rating: ThenCommit at 5.0 against Promise's 4.6. ThenCommit also leads on review sentiment (100% vs 86%). Promise's advantage is ratings volume (11 vs 1) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Promise sells 10 in-app purchases, starting at $4.99 per month and ThenCommit sells 8 in-app purchases, starting at $5.00 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ThenCommit holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Promise has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 86% of Promise's written reviews are positive against 100% of ThenCommit's.

UpkeepUpdate frequency

Promise ships an update fortnightly, ThenCommit every 2 weeks. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

Scorecard5 real differences · 5 level
Promise versus ThenCommit: the parameters behind the verdict, then further details
ParameterPromiseThenCommit
PriceFreeFree
Rating4.6 (11 ratings)5.0 (1 ratings) — better
Positive reviews85.7% of reviews100.0% of reviews — better
Number of ratings11 — better1
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17
Further details — not scored
Size50 MB43 MB
Age rating4+4+
DeveloperArete Labs LLCThen LLC

Customer experience

Promise

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

ThenCommit

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

Promise

Subscriptions10
  • Promise Pro - Monthly1 Month trial$4.991 Month
  • Promise Pro - Monthly$4.991 Month
  • Promise Pro - Monthly7 Days trial$9.991 Month
Show 7 more
  • Promise Pro - Monthly14 Days trial$9.991 Month
  • Promise Pro - Yearly1 Year trial$29.991 Year
  • Promise Pro - Yearly$29.991 Year
  • Promise Pro - Yearly7 Days trial$39.991 Year
  • Promise Pro - Yearly14 Days trial$39.991 Year
  • Promise Pro - Yearly7 Days trial$59.991 Year
  • Promise Pro - Yearly14 Days trial$59.991 Year
8 purchases

ThenCommit

Subscriptions5
  • ThenCommit+$5.001 Month
  • ThenCommit+ Monthly$8.001 Month
  • ThenBecome: The Life-changing Suite$15.001 Month
Show 2 more
  • ThenCommit+ Annual$50.001 Year
  • ThenBecome: The Life-changing Suite$150.001 Year
One-time3
  • ThenCommit+ Early Adopter$20.00
  • ThenCommit+ Founder$100.00
  • ThenBecome: Who You Choose to Be$200.00

Questions

Is Promise free?
Promise is free to download, with in-app purchases available.
Is ThenCommit free?
ThenCommit is free to download, with in-app purchases available.
Which has better reviews, Promise or ThenCommit?
ThenCommit is rated higher. Promise averages 4.6 out of 5 from 11 ratings, while ThenCommit averages 5.0 from 1 ratings.
Do Promise or ThenCommit have ads?
Neither Promise nor ThenCommit shows ads.
Which is updated more often, Promise or ThenCommit?
Promise ships an update fortnightly, and ThenCommit every 2 weeks. Most recently, Promise was updated on October 1, 2026 and ThenCommit on October 11, 2026.

Other comparisons